Составить утвердительные,отрицательные и вопросительные предложения и короткие ответы с 5-ью

I bought a computer yesterday.
I wrote a letter to my friend an hour ago.
I lost my key at  on Monday.
Alex saw the new film at the cinema a week ago.
Alice drew a picture last Saturday.
I didn't buy a computer yesterday..
I didn't write a letter to my friend an hour ago.
I didn' lose my key at  on Monday
Alex didn't see new film at the cinema a week ago.
Alice didn't draw a picture last Saturday.
Did you buy a computer yesterday?-No, I didn't
Did you write a letter to my friend an hour ago?-Yes, I did
Did ou lose your key at  on Monday?-Yes, I did
Did Alex see new film at the cinema a week ago?- No, he didn't
Did Alice draw a picture last Saturday?- No, she didn't